[cisco-voip] Cisco UC app suite and DNS domains with "_" underscores

[Dana Tong]

Hi everyone,

I have a bit of a problem here. I have a new install with a new customer. Unfortunately their AD forest has a domain with an underscore. (ie some_company.local)
Now none of the Cisco UC suite supports domain names with an underscore so I've advised the customer that this could be a problem but have continued with the build.

CUCM, Unity Connection, and Unified Presence have been built on a C200 and everything is looking good. And now here comes the problem.
I have an LDAP integration with a pilot group of users (filter by users with ipPhone attribute). These end users are able to login to the CUCM end user pages, and the CUPS end user pages.
However the problem occurs when they try to login to Unified Personal Communicator (CUPC). It doesn't work. CUPC comes back with a network error.

I suspect that the problem is that the user's PC domain (some_company.local) does not match the CUP server domain (somecompany.local). I put this in to bypass the install wizard and build the server.   :(
Everything else is configured properly. The ability for the user to login to the end user webpages ok tell me that the problem is not with the authentication and I know that CUPS relies heavily on DNS.

So my dilemma... Are they in a hard place? Can they build up a new domain and run an ADAM server and sync all their users into a domain without an underscore? If yes, would they also have to sync their DNS between the two domains? Or would they have to migrate all their users and computers into a new domain?

Cheers
Dana





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